Question

Heather's father gives her a jar

of pennies. She decided to add
3 pennies to the jar every day.
After 10 days, she counted
462 pennies in all. How many pennies
were in the jar before Heather began
adding pennies?​

Answer 1

432

Explanation:

do 3 times 10 to figure out how many pennies she added to the jar then subtract that from the current sum